After seeing an exhibit of an old relay-based computer as a kid, [Simon] was inspired to build a simple two-relay latching circuit. Since then, he’s been fascinated by how relays can function to do ...

Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just reaching for a calculator, or if you are writing a program, you’ll probably ...

Somewhere around middle school, you learned about squaring numbers and the inverse, finding the square root of a number, but a little reminder can't hurt. You square a number when you multiply it by ...

Square-root-calculating circuits find wide use in instrumentation and measurement systems for such tasks as calculating the rms (root-mean-square) value of an arbitrary waveform, for example. Hence, ...

'Mental calculator' Dr Amit Garg can solve complicated square root questions faster than you can type it into your calculator. What's the square root of 9876? "Mental calculator' Dr Amit Garg can ...

Video recording for world record of fastest square root calculation took place in the city on Tuesday at Lourdes Convent School. "In her first attempt she calculated square roots of 10 questions in ...